IBM 6274 - Manual (Page 62)

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User Guide
Device troubleshooting charts
You can use the troubleshooting charts in this section to find solutions to
problems that have definite symptoms.
If you have just added new software or a new computer option and your
computer is not working, do the following before using the troubleshooting
charts:
1. Remove the software or device you just added.
2. Run the diagnostic programs to determine if your computer is running
properly. (See “Running the IBM Enhanced Diagnostics program” on page 66
for information about diagnostic programs provided with your computer.)
3. Reinstall the new software or new device.
Use the following directory to quickly locate problem categories in the
troubleshooting charts.
If you find it necessary to remove the computer cover, first read “Safety
notices” on page vii for important safety information and instructions.
Important